During the first 6 months of 1933, 669 airplanes were manufactured in the United States of which 306 were for civilian service. This included 215 monoplanes, 84 biplanes and 7 Autogiros. This report, by the Department of Commerce, Aeronautics Branch, does not include the many amateur planes built during this period.(Reported in Popular Aviation, November 1933, P. 330)